1993 O2 sensor replacement - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-06-2003, 02:35 PM   #11
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Default Re: 1993 O2 sensor replacement

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Originally Posted by DeathRat
Quote:
Originally Posted by Kuhl
There was a post on here about the part #'* and the 2 different types. Cant find it... help
Oxygen Sensor Application Guide:

P93H 3.8L GM P/N: 25162693 AC P/N: AFS20 POSN 1
P93H 3.8-1 GM P/N: 25162693 AC P/N: AFS20 POSN 1
Something is wrong with the chart, because in 93, the */C engine did not use a heated sensor, while the N/A engine did. The part numbers should be different.
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Old 06-06-2003, 03:19 PM   #12
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Default Re: 1993 O2 sensor replacement

Quote:
Originally Posted by fuddyduddy121
Quote:
Originally Posted by DeathRat
Quote:
Originally Posted by Kuhl
There was a post on here about the part #'* and the 2 different types. Cant find it... help
Oxygen Sensor Application Guide:

P93H 3.8L GM P/N: 25162693 AC P/N: AFS20 POSN 1
P93H 3.8-1 GM P/N: 25162693 AC P/N: AFS20 POSN 1
Something is wrong with the chart, because in 93, the */C engine did not use a heated sensor, while the N/A engine did. The part numbers should be different.
Well my GM Parts Book only shows this info for all 92/93'*! Is it possible you got a 94 style?
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Old 06-06-2003, 04:02 PM   #13
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Is the US Model different from the Cdn Model I wonder then????
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Old 06-06-2003, 04:09 PM   #14
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Mine is a single wire....unheated. JSeabert'* is a heated. He'* a 93 NA. Go figure. This is one of the things that caused so much confusion early on. My magic book actually gave me the right number for mine (25162693) but that'* the only one listed for 92/93, and Josh'* is different. Jr, take a look at the book I sent you and you'll see what I mean. It also shows one part number for 94/95, another for 96/97, and another for 98/99. I don't trust any of this any more......but it'* the only apparent bum info in my book.
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Old 06-06-2003, 04:17 PM   #15
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I wanna book

sorry, just ignore the whiny baby...back to 02 sensors now
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Old 06-06-2003, 04:20 PM   #16
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Geezuz. You whine like a GIRL!
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Old 06-06-2003, 04:23 PM   #17
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Quote:
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Geezuz. You whine like a GIRL!
Well if everyone had one there would be no need for us here now would there?
J/K What some cheese with that wine?
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Old 06-07-2003, 03:53 PM   #18
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You guys that didnt buy a o2 socket must be a sight more nimble than I.

I had to go buy a socket but I'm just going to return it when I am done with it.
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Old 06-07-2003, 10:18 PM   #19
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I just changed mine today with a 8" Adjustable wrench. It was fine and easy to change - I was surprised actually.

The T-stat was more messy but did it. It is running cooler which is nice
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